Vacuum cleaner



FIG. 1 is a right front perspective view of a vacuum cleaner that has the design.

FIG. 2 is a front view of the vacuum cleaner.

FIG. 3 is a left front perspective view of the vacuum cleaner.

FIG. 4 is a left rear perspective view of the vacuum cleaner.

FIG. 5 is a right-side view of the vacuum cleaner.

FIG. 6 is a rear view of the vacuum cleaner; and,

FIG. 7 is a top view of the vacuum cleaner.

The bottom of the vacuum cleaner forms no part of the claimed design.

The details shown in broken lines form no part of the claimed design. 

The ornamental design for a vacuum cleaner, as shown and described. 